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20133241013 = 371489365441
BaseRepresentation
bin10010110000000010…
…001110000010110101
31220222010020121120002
4102300002032002311
5312213102203023
613125445121045
71311630503444
oct226002160265
956863217502
1020133241013
1185a1764a66
123a9a6b9185
131b8b189682
14d8dc8ad5b
157cc7d9b28
hex4b008e0b5

20133241013 has 8 divisors (see below), whose sum is σ = 20691326040. Its totient is φ = 19575889920.

The previous prime is 20133240989. The next prime is 20133241031. The reversal of 20133241013 is 31014233102.

It can be written as a sum of positive squares in 4 ways, for example, as 10750993969 + 9382247044 = 103687^2 + 96862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20133241013 - 212 = 20133236917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133241033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127628 + ... + 237813.

It is an arithmetic number, because the mean of its divisors is an integer number (2586415755).

Almost surely, 220133241013 is an apocalyptic number.

It is an amenable number.

20133241013 is a deficient number, since it is larger than the sum of its proper divisors (558085027).

20133241013 is a wasteful number, since it uses less digits than its factorization.

20133241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366967.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20133241013 its reverse (31014233102), we get a palindrome (51147474115).

The spelling of 20133241013 in words is "twenty billion, one hundred thirty-three million, two hundred forty-one thousand, thirteen".

Divisors: 1 37 1489 55093 365441 13521317 544141649 20133241013